h57v2562gtr Hynix Semiconductor, h57v2562gtr Datasheet - Page 15

• Manufacturer Part Number: h57v2562gtr
• Description: 256mb Synchronous Dram Based 4bank
• Manufacturer: Hynix Semiconductor

DQM TRUTH TABLE
Note 1. H: High Level, L: Low Level, X: Don
Rev 1.0 / Aug. 2009
Data Write/Output enable
Data Mask/Output disable
Lower byte write/Output enable,
Upper byte mask/Output disable
Lower byte Mask/Output disable,
Upper byte write/Output enable
2. Write DQM Latency is 0 CLK and Read DQM Latency is 2 CLK
Function
'
t Care
CKEn-1
H
H
H
H
Synchronous DRAM Memory 256Mbit
CKEn
X
X
X
X
LDQM
H57V2562GTR Series
H
H
L
L
UDQM
H
H
L
L
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